package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args)  {
        try (
                Connection connection = DBUtil.getConnection()
                ){
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo  "+
                         "SET password = '040220' "+
                         "WHERE username = '樂' ";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if (num>0){
                System.out.println("修改成功");
            }else {
                System.out.println("修改失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
